3/4b+3/8=21/8

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Solution for 3/4b+3/8=21/8 equation: 


b in (-oo:+oo)

(3/4)*b+3/8 = 21/8 // - 21/8

(3/4)*b+3/8-(21/8) = 0

(3/4)*b+3/8-21/8 = 0

3/4*b-9/4 = 0 // + 9/4

3/4*b = 9/4 // : 3/4

b = 9/4/3/4

b = 3

b = 3

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